Audiencegage
http://www.audiencegage.com/Gamification Tech for Trade show Exhibitors
Audiencegage helps you engage your trade show audience using gamification
Using an interactive trivia game at your trade show booth, you stand out from your competitors, draw a larger crowd at your booth and create incentives for the attendees to engage with your company in a much more meaningful way.
Angel list: https://angel.co/company/audiencegage
Member count: 1-10
Total raised: $10K